Product Introduction
English Name: China Journals Deep-Indexing Database (CJDD)
Brief Introduction: China Journals Deep-Indexing Database is based on China Academic Journal Network Publishing Database, indexes journals deeply with digital information technology, searches and extracts English abstract and images of each article, providing a new database of English abstract and images searching in full English interface to overcome language barrier for overseas scholars. CJDD covers more than 10 million English abstracts and 4461 journals.
Features: CJDD is an important tool to learn about the academic trend in China, the core features are containing deeply-indexed figures and tables in every article.
Series and Subjects: The product comprises 10 series, which are Science/Technology/Engineering A (Mathematics, Physics, Mechanics, Astronomy, Geology and biology), Science/Technology/Engineering B (Chemistry, Chemistry Industry, Metallurgy Industry, Environmental Science and Mining Engineering), Science/Technology/Engineering C (Mechanics, Aeronautics, Traffic, Hydraulic, Architecture and Energy), Agriculture, Medicine/Hygiene, Literature/History/Philosophy, Politics/Military/Law, Education/Social Science, Electronics/Information Technology, Economics and Management. The 10 series are further divided into 168 subjects of databases.
Year Coverage: English journals from 1935 onwards, and some date back to the first issue.
Product Forms: Web, mirror sites, DVD-ROMs and flow accounting.
Publication Frequency: 1. Daily update: CNKI central servers and overseas mirror sites are daily updated, except for the public holidays.
2. Monthly update: CNKI overseas mirror sites and DVD-ROM are updated on the 10th of each month.
Publisher: China Academic Journals Electronic Publishing House Co., Ltd. Copyright Statement